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ZHAO Xin, WEN Ze-feng, JIN Xue-song. Uneven surface effect on temperature distribution of wheel and rail contact[J]. Journal of Traffic and Transportation Engineering, 2005, 5(2): 19-22.
Citation: ZHAO Xin, WEN Ze-feng, JIN Xue-song. Uneven surface effect on temperature distribution of wheel and rail contact[J]. Journal of Traffic and Transportation Engineering, 2005, 5(2): 19-22.
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Uneven surface effect on temperature distribution of wheel and rail contact

  • State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China

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  • Author Bio:

    Zhao Xin(1981-), male, graduate student, 86-28-87634355, swjtuzhaoxin@163.com

  • Received Date: 2005-03-20
  • Publish Date: 2005-06-25
    Abstract
  • In order to study the relation of the damaged surface and temperature resulted from wheel and rail friction, a heat coupling model of rolling and sliding of wheel and rail was put forward to calculate the temperature rise with a combination method of finite element method and finite difference method. In the model, the non-steady heat conduction between the contacting surfaces of wheel and rail, heat convection and heat radiation between wheel and rail and their ambient were tested. The effect of the surface unevenness of wheel and rail on the frictional temperature was analyzed in the rolling and pure sliding states of wheel on rail. The numerical results show that the surface uneveness of wheel and rail can lead to spalling in short sliding, its effect on the temperature rise be ignored in long sliding and rolling.

     

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    • References(10)
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